Half a croissant, on a plate, with a sign in front of it saying '50c'
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Balloon elevator

 Massive consumption of rubber
  (+3)
(+3) 		  [vote for,
against]

When entering a balloon elevator, you can push two buttons. 'Inflate' or 'Deflate'. The former pumps balloons full of air at the base of the elevator through small holes, pushing everyone upward. The latter produces needles through smaller holes.

For 50¢ extra per ride you can inflate with helium instead of air, just to mix it up!

( Yes I know... The most novel part of this idea is buying something for 50¢)

—mylodon, Oct 04 2022

Balloon lifted lift [pocmloc, Oct 04 2022]

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       Instead of the massive waste, perhaps a "Hullaballoon" type of mechanism
—sninctown, Oct 04 2022
   

       I'm thinking of pumped hydro power storage, but with balloons.
—pertinax, Oct 04 2022
   

       Approved. Definitely halfbaked [+]
—xenzag, Oct 05 2022
   

       mylodon, this made me laugh and it felt quite nice to read a funny idea here.
—blissmiss, Oct 05 2022
   


 

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